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The world's leading athletes have been in action at the Lausanne Diamond League meeting with less than six weeks to go until the start of the IAAF World Championships.

Justin Gatlin beat Tyson Gay and Asafa Powell to the 100m, while Mo Farah won on his return to competitive racing in the men's 5,000m. The Olympic and World champion hadn't raced since doping allegations were made against his coach Alberto Salazar in a Â鶹ԼÅÄ Documentary - all denied by Salazar.

You'll hear from Mo Farah, Justin Gatlin and Asafa Powell, but first our Athletics Commentator Ed Harry.

(Image: Justin Gatlin, Michael Rodgers and Tyson Gay)